Data on Friday showed strong foreign demand outweighed a slip in domestic demand.
Merkel, once dubbed the "climate chancellor," hopes to revitalize her green credentials.
Cameron spoke out after a group of over 50 of his own lawmakers said they were prepared to join a campaign backing a British EU exit.
The Obama Administration is constantly looking for more effecient ways to assist Iraqi forces, White House press secretary Josh Earnest said.
"It’s our view that those sanctions should remain in place until we start to see Russia live up to their commitments."
"It's unthinkable to continue to bring them all (migrants) to Italy," Renzi told reporters.
European Parliament President Martin Schulz urged Greece in a newspaper interview to accept a proposal by its international lenders for a cash-for-reforms deal.
U.S. President Barack Obama faces a Germany roiled by allegations of American spying, and other European partners whose commitment to extending sanctions is uncertain.
Half a million people may be poised to attempt the crossing of the Mediterranean Sea from Africa to Europe in ramshackle boats, a British military official says.
Forward Alex Morgan leads the U.S. against Australia on Monday in their first World Cup match.
The demonstrators were mostly peaceful in advance of the two-day gathering of world leaders.
Taiwan's coast guard on Saturday commissioned its biggest ships for duty in the form of two 3,000-ton patrol vessels, as the island boosts defenses amid concerns about China's growing footprint in the disputed South China Sea.
Both countries have been using drones to target Islamic State militants.
The relatives of 150 people who perished in the Germanwings disaster are still waiting for the return of their remains.
The exercise will include 49 ships, 61 aircraft, one submarine and a combined landing force of 700 Finnish, Swedish and U.S. troops.
President Hassan Rouhani and Iran's Supreme Leader Ayatollah Ali Khamanei both call for unity against the West.
Greece's international creditors signaled on Wednesday they were ready to compromise to avert a default even as a defiant Athens warned it might skip an IMF loan repayment due this week.
The OECD also said it expects lower oil prices to fuel a gradual recovery.
Customers will also be able to test Apple Watches paired to a demo iPhone.
Greece vowed that it will not make any further compromises and continued to adopt a defiant tone toward its creditors.
Leaders from Iraq and a U.S.-led coalition will meet in Paris on Tuesday to devise a strategy to retake Ramadi from ISIS.
The data is likely to disappoint the European Central Bank.